Kindergarten - 2nd Grade Engineering and Science Inquiry Activities : Page 2

In this science fair project, young children discover what happens when two fluids that have different densities get together.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This science fair project idea investigates which objects float and sink in honey, water, and oil.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.